Home / 1,119,815.88-1,680,420.42-454,967.88

Finding the Fourth Proportional to 1,119,815.88, 1,680,420.42 and 454,967.88

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Solution

The fourth proportional to 1,119,815.88, 1,680,420.42 and 454,967.88 is: 682,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,815.88 : 1,680,420.42 = 454,967.88 : x
  2. Step 2: Convert to fraction form
    1,119,815.88/1,680,420.42 = 454,967.88/x
  3. Step 3: Cross multiply
    1,119,815.88x = 1,680,420.42 × 454,967.88
  4. Step 4: Simplify right side
    1,119,815.88x = 764,537,315,996.11
  5. Step 5: Solve for x
    x = 764,537,315,996.11/1,119,815.88
  6. Step 6: Final answer
    x = 682,734.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.